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HELIOS COMBO SPH3600/5000-BL
4 Electrical Connection
29
4.6 COM. Communication Connection
Figure4-19
COM. communication connection
There are four communication ports: DRM, PC, METER, BMS and TEMP.
⚫
DRM port is connected with DRM control device. The pin definition of RJ45 plug is as shown in
Figure4-20.
1--8
RJ45 plug
RJ45 port
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Pin definition of RJ45 plug:
PIN1: White orange
– DRM1/5
PIN2: Orange
– DRM2/6
PIN3: White green -DRM3/7
PIN4: Blue
– DRM4/8
PIN5: White blue
– Ref Gen
PIN6: Green
– Com/DRM0
PIN7: White brown - Reserved
PIN8: Brown- Reserved
Figure4-20
Pin definition of RJ45 plug
⚫
PC port is RS485 communication port, which is connected with PC by RS485 converter.
⚫
METER port is RS485 communication port, which is connected with smart meter.
⚫
BMS port is CAN communication port, which is connected with battery management module.
⚫
TEMP port is to connect with a remote battery temperature sensor for lead acid batteries.
Step 1
Loosen the nylon cable gland in the communication cover.